نتایج جستجو برای: vascular density
تعداد نتایج: 621090 فیلتر نتایج به سال:
background: we investigated coronary angiogenesis and serum vascular endothelial growth factor (vegf) and its soluble receptor-1 (sflt-1) concentrations in two-kidney one-clip (2k1c) hypertensive rats before and after reversal of hypertension. methods: the animal groups were: (i) sham-clipped for 12 weeks; (ii) 2k1c for 12 weeks; (iii) sham-clipped for 12 weeks and unclipped for 12 weeks; and (...
The effect of adenosine on the vascular density of the chick chorioallantoic membrane was studied. Elvax polymer pellets containing 0.2-3.0 mg of adenosine were placed on the chorioallantoic membrane of 10-day embryos. Control pellets containing mannitol were placed at least 1 cm away. After 4 days the membrane was formalin-fixed and removed. A thin plastic coverslip, inscribed with concentric ...
BACKGROUND AND STUDY AIMS Intramucosal vascular density differs between differentiated and undifferentiated type gastric carcinomas. This study aimed to evaluate the microvascular density characteristics of these two types of carcinoma using magnifying endoscopy with narrow-band imaging (ME-NBI). PATIENTS AND METHODS In total, 42 differentiated and 10 undifferentiated types were evaluated. Th...
Angiogenesis (neoangiogenesis), a process of neovascularization, is an essential step for local tumor growth and distant metastasis formation. We have analysed angiogenesis status: vascular architecture, microvessel density, and vascular endothelial growth factors expression in 62 adrenal pheochromocytomas: 57 benign and 5 malignant. Immunohistochemical evaluation revealed that vascular archite...
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